Upper grille



FIG. 1 is a left, front perspective view of an upper grille showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is another left, front perspective view thereof shown mounted on a vehicle.

The broken lines shown throughout drawing views are for illustrative and environmental purposes and form no part of the claimed design. 

CLAIM The ornamental design for an upper grille, as shown and described. 